Home / 258,554,045.80-387,831,068.70-161,808,164.20

Finding the Fourth Proportional to 258,554,045.80, 387,831,068.70 and 161,808,164.20

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Solution

The fourth proportional to 258,554,045.80, 387,831,068.70 and 161,808,164.20 is: 242,712,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,554,045.80 : 387,831,068.70 = 161,808,164.20 : x
  2. Step 2: Convert to fraction form
    258,554,045.80/387,831,068.70 = 161,808,164.20/x
  3. Step 3: Cross multiply
    258,554,045.80x = 387,831,068.70 × 161,808,164.20
  4. Step 4: Simplify right side
    258,554,045.80x = 62,754,233,246,071,072
  5. Step 5: Solve for x
    x = 62,754,233,246,071,072/258,554,045.80
  6. Step 6: Final answer
    x = 242,712,246.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.